/// <summary>
        /// Gets called when combob selection changes
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="args"></param>
        void ComboSelectionChanged(object sender, RadRoutedEventArgs args)
        {
            RadComboBox comboBox = (RadComboBox)args.OriginalSource;

            var row = comboBox.ParentOfType <GridViewRow>();

            if (row != null)
            {
                FairValueData data = row.DataContext as FairValueData;

                if (comboBox.SelectedValue != null)
                {
                    if (data.DataId != Convert.ToInt16(comboBox.SelectedValue))
                    {
                        data.DataId  = Convert.ToInt16(comboBox.SelectedValue);
                        data.Measure = comboBox.Text;
                        DataContextFairValueComposition.EditedMeasurePropertyFairValueRow = data;
                    }
                }
            }
        }